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Expose and consume your hydrus media via HTTP API

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Expose and consume your hydrus media via HTTP API

Unmaintained: hyve is no longer maintained. Due to the limitations and annoyances of hydrus server, I would recommend "abusing" a hydrus client instance as a server instead (this can also be done on headless machines, e.g., containerized via suika/hydrus), which allows you to use the hydrus client API. And instead of running hyve you can then access your media over the web via clients like Hydrus Web or Hydroid. hyve still does some things that you (as of January 2021) can not yet do via client API, so if you do decide to continue using it regardless of it being unmaintained, I recommend you fork it and keep the dependencies up-to-date (to protect against potential vulnerabilities).

hyve is an application that allows you to serve hydrus media over an HTTP API. It can connect to either hydrus client or server. A web-based, booru-like client that consumes the API is also included.

As a rough overview, hyve currently has the following features:

  • The ability to connect to either hydrus client or hydrus server
  • A straightforward HTTP API, including:
    • Comprehensive options to search and sort your files and tags
    • Optional authentication and simple user management, allowing you to run hyve in either a public or private manner
  • A modern web client that makes use of the API's full feature set and comes with:
    • An easy to use interface that is optimized for both desktop and mobile devices
    • Direct support for common image and video formats on the web; non-supported files can be downloaded and viewed locally
    • Built-in user registration, login and actions like changing username or password or deleting the user altogether
    • The ability to save options like tag colors and default sorting methods on a per-client basis, allowing you to have different settings in each browser
    • Basic web app features that allow you to add the client to the home screen of your smart device and use it just like a native app

hyve does not allow you to modify or manage your hydrus media in any way, it simply provides a different way to view them.

Table of contents

Install

The recommended way to run is via Docker. Basic instructions on how to run without it are also provided.

Installing with Docker

To install hyve for running with Docker, you can simply pull the prebuilt image from Docker Hub:

user@local:~$ docker pull mtbl/hyve

Alternatively, you can also build the image yourself. The user that is used inside the container has UID 1000 and GID 1000 by default. You can adjust this (e.g., to match your host UID/GID) by providing the arguments USER_ID and GROUP_ID when making a build.

Installing without Docker

To install without Docker, you can simply clone the repository and install dependencies:

user@local:~$ git clone https://github.com/imtbl/hyve.git
user@local:~$ cd hyve
user@local:hyve$ yarn && yarn bootstrap

Dependencies

  • hydrus (either the client or the server, depending on what you want to connect to)
  • Docker (when running with Docker)
  • Node.js (when running without Docker)
  • Yarn (when running without Docker)

hyve should work with both the latest LTS and the latest stable version of Node.js. If you encounter any issues with either of those versions when running without Docker, please let me know.

Updating

hyve follows semantic versioning and any breaking changes that require additional attention will be released under a new major version (e.g., 2.0.0). Minor version updates (e.g., 1.1.0 or 1.2.0) are therefore always safe to simply install.

When necessary, this section will be expanded with upgrade guides for new major versions.

Updating with Docker

Simply pull the latest Docker image to update:

user@local:~$ docker pull mtbl/hyve

Updating without Docker

If you have installed via cloning the repository, you can update via Git:

user@local:hyve$ git pull
user@local:hyve$ yarn && yarn bootstrap
user@local:hyve$ cd services/server
user@local:hyve/services/server$ yarn migrate

Upgrading from 2.x.x to 3.x.x

3.0.0 has introduced no breaking API changes and merely reflects the switch to a new license (AGPLv3).

Upgrading from 1.x.x to 2.x.x

2.0.0 has introduced the ability to (optionally) connect to hydrus client instead of hydrus server.

Aside from renaming services/sync to services/sync-server (which you might need to adjust in any start scripts you might have set up when running without Docker), a few environment variables have been added, so you can simply compare with your current configuration and make additions/adjustments where necessary.

Usage

hyve consists of three different services:

  • Sync: used to create a modified copy of the hydrus databases that is optimized for hyve's purposes and allows for searching and sorting options that would otherwise not be possible
    • There are two variants, one for hydrus client and one for hydrus server
  • Server: the server component of hyve that provides the HTTP API
  • Web: the web-based client that connects to the HTTP API

In general, you will probably want to run all three services, unless you plan to use a different client to connect to the HTTP API.

Depending on on your choice on you want what to connect to, you will also need to run either hydrus client or server. If you are considering using hyve, you are probably already familiar with the client. In that case, you can just continue using it as you normally would. If you want to set up a server (to connect hyve to that instead), you can find a guide for doing so here.

If you plan to expose the HTTP API outside your local network, it is heavily recommended to use HTTPS. To do this, you will likely want to set up a reverse proxy (I recommend nginx).

hyve uses a lock file called .sync-lock to prevent additional syncs from running while one is already in progress. This file is located in the same directory as hyve's content database. In some instances (e.g., shutdown during a sync), this file might not be removed (causing it to become stale). In that case, you may have to delete it manually before attempting to run the next sync. When running with Docker, the lock file (should it exist at that point) will automatically get removed during sync container startup for your convenience (keep this in mind if you are sharing the same hyve content database between multiple instances).

Running with Docker

To make running with Docker as easy as possible, a working Docker Compose example setup is provided. This setup also includes a dockerized hydrus server and stores the data inside a named volume (which you might want to adjust if you are a more experienced Docker user).

Running hyve with hydrus server might be preferable if you want to manage your media with a local hydrus client and are fine with pushing any files you want to use with hyve to hydrus server.

To get started with the example setup, simply duplicate docker-compose.yml.server.example as docker-compose.yml, adjust the variables in the environment section as described here.

In addition to the environment variables configuring the settings for the respective service, also take note of the time zone set via TZ (for each service). This is particularly important for the sync cron job to run at the time you expect it to. The time zone has to be set in the tz database format.

Finally, start the containers:

user@local:hyve$ docker-compose up -d

Afterwards, proceed with the hydrus server setup, upload your files and tags to it and wait for the first sync to run. The HTTP API and the web client will be available under the configured URLs.

If you want to connect to hydrus client instead, you can have a look at this for a dockerized version of hydrus client that you should be able to run in combination with hyve. I have included a Docker Compose example setup only containing the hyve services (docker-compose.yml.client.example) that you will need to expand accordingly to make it work.

Of course, running hydrus client outside of Docker and using a bind mount to make the databases and media accessible to a dockerized instance of hyve does also work.

Running without Docker

To run without Docker, you will first need to duplicate the .env.example in each service directory (services/sync-client or services/sync-server, services/server and services/web) as .env and adjust the variables as described here.

You will also need to create the content and authentication database files at your desired location:

user@local:hyve$ cd <desired database files location>
user@local:<desired database files location>$ touch content.db && touch authentication.db

Next, run migrations for the authentication database:

user@local:hyve$ cd services/server
user@local:hyve/services/server$ yarn migrate

After that, you can run a sync once you have files in your hydrus client:

user@local:hyve$ cd services/sync-client
user@local:hyve/services/sync-client$ yarn sync

Or, if you have set up hydrus server and pushed files to it:

user@local:hyve$ cd services/sync-server
user@local:hyve/services/sync-server$ yarn sync

Then, start the hyve server:

user@local:hyve$ cd services/server
user@local:hyve/services/server$ yarn start

And finally, build and start the web client:

user@local:hyve$ cd services/web
user@local:hyve/services/web$ yarn build && yarn start

Alternatively, you can also deploy the services/web/dist directory to any static web server after building to serve the client from there.

The HTTP API and the web client will be available under the configured URLs. You might also want to set up a cron job to run the sync periodically.

Configuration

Configuration is done entirely via environment variables. Each of the three services needs to be configured separately. Please keep in mind that some options might not work together or might have to match across services for them to work correctly.

Client sync configuration

  • HYVE_CONTENT_DB_PATH=: sets the path to hyve's content database. Absolute path required.
  • HYVE_HYDRUS_CLIENT_DB_PATH=: sets the path to the hydrus client main database (called client.db). Absolute path required.
  • HYVE_HYDRUS_MASTER_DB_PATH=: sets the path to the hydrus client master database (called client.master.db). Absolute path required.
  • HYVE_HYDRUS_MAPPINGS_DB_PATH=: sets the path to the hydrus client mappings database (called client.mappings.db). Absolute path required.
  • HYVE_HYDRUS_CACHES_DB_PATH=: sets the path to the hydrus client caches database (called client.caches.db). Absolute path required.
  • HYVE_HYDRUS_TAG_SERVICE=: the ID of the hydrus client local tag service (the type of the service needs to be 5) hyve should use. If not set, hyve will attempt to automatically determine this (by selecting the default local tag service).
  • HYVE_HYDRUS_FILE_SERVICE=: the ID of the hydrus client file service (the type of the service needs to be 2) hyve should use. If not set, hyve will attempt to automatically determine this (by selecting the default local file service).
  • HYVE_HYDRUS_INCLUDE_INBOX=false: setting this to true includes files that are in the inbox in the sync.
  • HYVE_HYDRUS_SUPPORTED_MIME_TYPES=1,2,3,4,9,14,18,20,21,23,25,26,27,33: the IDs of the MIME types hyve should sync from hydrus server. See here for the complete list of MIME types you can choose from.
  • HYVE_HYDRUS_EXCLUDED_TAGS=: tags that are added here separated with ### will cause all files having any of these tags to be excluded from the sync.
  • HYVE_DOCKER_CRON_SCHEDULE=0 4 * * *: the cron schedule for running the sync inside Docker. Irrelevant if the sync service is run outside of Docker.

Server sync configuration

  • HYVE_CONTENT_DB_PATH=: sets the path to hyve's content database. Absolute path required.
  • HYVE_HYDRUS_SERVER_DB_PATH=: sets the path to the hydrus server main database (called server.db). Absolute path required.
  • HYVE_HYDRUS_MASTER_DB_PATH=: sets the path to the hydrus server master database (called server.master.db). Absolute path required.
  • HYVE_HYDRUS_MAPPINGS_DB_PATH=: sets the path to the hydrus server mappings database (called server.mappings.db). Absolute path required.
  • HYVE_HYDRUS_TAG_REPOSITORY=2: the ID of the hydrus server tag repository hyve should use. This is generally 1 + n, where n is the nth repository (e.g., for the first repository, 1 + 1 => 2). Both creating tag and file repositories increases n.
  • HYVE_HYDRUS_FILE_REPOSITORY=3: the ID of the hydrus server file repository hyve should use. This is generally 1 + n, where n is the nth repository (e.g., for the first repository, 1 + 1 => 2). Both creating tag and file repositories increases n.
  • HYVE_HYDRUS_SUPPORTED_MIME_TYPES=1,2,3,4,9,14,18,20,21,23,25,26,27,33: the IDs of the MIME types hyve should sync from hydrus server. See here for the complete list of MIME types you can choose from.
  • HYVE_HYDRUS_EXCLUDED_TAGS=: tags that are added here separated with ### will cause all files having any of these tags to be excluded from the sync.
  • HYVE_DOCKER_CRON_SCHEDULE=0 4 * * *: the cron schedule for running the sync inside Docker. Irrelevant if the sync service is run outside of Docker.

Server configuration

  • NODE_ENV=development: defines the environment hyve is running in. It currently does not affect anything besides the access logging but it should be set to production in a live environment and development when developing.
  • HYVE_URL=http://localhost:8000: the URL under which hyve is accessible. Used to generate media URLs. No trailing slashes.
  • HYVE_PORT=8000: the port hyve is listening on. This can be different than the port used to access it from outside when proxying via nginx (recommended) or similar solutions.
  • HYVE_API_BASE=/api: the base path of all the API routes. No trailing slashes.
  • HYVE_MEDIA_BASE=/media: the base path of all the media routes. No trailing slashes.
  • HYVE_CROSS_ORIGIN_ALLOWED=true: allows cross-origin requests (useful when the application accessing the API is located on a different domain).
  • HYVE_AUTHENTICATION_DB_PATH=./storage/authentication.db: the authentication database path (absolute or relative). The database must exist and the file must be read-/writable by hyve.
  • HYVE_CONTENT_DB_PATH=./storage/content.db: the content database path (absolute or relative). The database must exist and the file must be read-/writable by hyve.
  • HYVE_HYDRUS_FILES_PATH=: sets the path to the hydrus client or server files directory (called client_files or server_files). Absolute path required.
  • HYVE_HYDRUS_THUMBNAILS_PATH=: overrides the path to the hydrus client thumbnails directory (falls back to HYVE_HYDRUS_FILES_PATH). This setting is ignored when connected to hydrus server. Absolute path required.
  • HYVE_HYDRUS_FILES_MODE=: lets hyve know the media directory structure and file naming. Must be client when connecting hyve to hydrus client and server when connecting to hydrus server. If left empty it will default to server.
  • HYVE_NUMBER_OF_WORKERS=: sets the number of workers. By default, one worker per logical CPU core is used. You might want to decrease or increase that number, depending on your needs/hardware. In general, the more workers are running, the more requests can be handled simultaneously. But note that increasing the number of workers beyond the number of logical CPUs might be detrimental to performance or cause even more serious issues (e.g., crashes).
  • HYVE_DB_CHECKPOINT_INTERVAL=3600: sets the interval (in seconds) at which hyve checkpoints the authentication database (the content database is handled by the sync service).
  • HYVE_REGISTRATION_ENABLED=true: setting this to false disables the creation of new users.
  • HYVE_AUTHENTICATION_REQUIRED=true: setting this to false allows the access of all non-authentication-related routes without providing a (media) token, effectively making the API open for anyone to access. This does not disable authentication-related routes altogether, it merely makes authentication optional.
  • HYVE_MIN_PASSWORD_LENGTH=16: sets the minimum password length when creating or updating users. Providing a higher value than 1024 will discard the value and use 1024 as the minimum length instead.
  • HYVE_FILES_PER_PAGE=42: the results per page when listing files.
  • HYVE_TAGS_PER_PAGE=42: the results per page when listing tags.
  • HYVE_MOST_USED_TAGS_LIMIT=20: the maximum amount of tags returned when listing the most used tags.
  • HYVE_AUTOCOMPLETE_LIMIT=10: the maximum amount of tag completion results.
  • HYVE_COUNTS_ENABLED=true: enables the output of total counts when listing files and tags for the cost of response times (especially with larger databases).
  • HYVE_COUNTS_CACHING_ENABLED=true: setting this to true enables the caching of file/tag counts (only relevant when HYVE_COUNTS_ENABLED is true). This is recommended for larger databases to decrease response times when queries are made that only differ in page and sorting since the count will only need to be calculated once (for the first query). On smaller databases, the performance gain might not be noticeable (or it might even be slightly slower for very fast queries). The cache is emptied when a sync runs.
  • HYVE_ACCESS_LOGGING_ENABLED=false: setting this to true enables access logging when NODE_ENV=production is set.
  • HYVE_ACCESS_LOGFILE_PATH_OVERRIDE=: overrides the default access logfile location (logs/access.log). Logging to a file is only enabled with HYVE_ACCESS_LOGGING_ENABLED=true and NODE_ENV=production. With NODE_ENV=development, hyve logs to the console instead. Absolute path required.

Web configuration

  • VUE_APP_HYVE_TITLE=hyve: sets the title of your installation. It is used throughout the whole web client, making it possible to add some personal flavor/branding.
  • VUE_APP_HYVE_SUBTITLE=A Vue-based frontend for <a href="https://github.com/imtbl/hyve" target="_blank" rel="noopener">hyve</a>: if not empty, sets a subtitle that is displayed on the home view. Allows the usage of HTML (e.g., to display links).
  • VUE_APP_HYVE_DESCRIPTION=A Vue-based frontend for hyve: sets the content of <meta name="description">. Be advised that the hyve web client is not optimized for search engines and that they might decide to ignore the description even if provided.
  • VUE_APP_HYVE_ROBOTS=noindex, nofollow: sets the content of <meta name="robots">.
  • VUE_APP_HYVE_PRIMARY_COLOR='#3449bb': sets the primary color used throughout the hyve web client when using the light theme. Make sure to use a color that contrasts well with white.
  • VUE_APP_HYVE_PRIMARY_COLOR_DARK='#500ea5': sets the primary color used throughout the hyve web client when using the dark theme. Make sure to use a color that contrasts well with black.
  • VUE_APP_HYVE_USE_NORMAL_LETTER_CASE=false: by default, the hyve web client uses lowercase text throughout most of the application (like hydrus client) for aesthestic reasons. If you do not want that, setting this to false disables these case transformations.
  • VUE_APP_HYVE_SHOW_LOGO: setting this to false disables the display of the hyve logo in the navigation bar.
  • VUE_APP_HYVE_SHOW_TAG_CLOUD=false: setting this to true enables the display of a tag cloud with the most used tags on the frontpage.
  • VUE_APP_IPFS_GATEWAY_BASE_URL=https://ipfs.io/ipfs: the URL to the IPFS gateway you want to use for IPFS links (only available when connected to hydrus client). No trailing slashes.
  • VUE_APP_HYVE_API_URL=http://localhost:8000/api: the URL to your hyve HTTP API. No trailing slashes.
  • VUE_APP_HYVE_REGISTRATION_ENABLED=true: setting this to false disables the registration page. This does not disable the registration in your hyve installation; to achieve this, use the appropriate server service setting.
  • VUE_APP_HYVE_AUTHENTICATION_REQUIRED=true: setting this to false allows the access of all views aside the user view without logging in. This only affects the frontend and must mirror the setting in the server service for it to work correctly and without creating user experience issues.
  • VUE_APP_HYVE_MIN_PASSWORD_LENGTH=16: sets the minimum password length when registering or updating the password. Providing a higher value than 1024 will discard the value and use 1024 as the minimum length instead. This is only used for frontend validation and should mirror the setting in the server service for the best user experience.
  • VUE_APP_HYVE_COUNTS_ENABLED=true: setting this to true enables the display of counts when listing files and tags. The corresponding setting in the server service must also be enabled if set to true.
  • VUE_APP_HYVE_FALLBACK_FILES_SORTING_NAMESPACE=namespace: sets the fallback sorting namespace that is needed to not break namespace sorting. Should be set to something sensible like creator or series, depending on your preferences.
  • VUE_APP_HYVE_DEFAULT_NAMESPACE_COLORS='character#00b401|creator#bb1800|meta#676767|person#008f00|series#bb2cb9|studio#941100': sets default colors for the given namespaces. The user will not be able to change those colors in his settings until tags under the configured namespaces exist. Once such tags are added to hyve, the user will see the default colors and be able to override them.
  • VUE_APP_HYVE_FALLBACK_NAMESPACE_COLOR='#0088fb': sets the fallback color for non-namespaced tags and namespaces that do not have a default set (if not overridden by the user).

HTTP API

You can find the HTTP API documentation here.

Screenshots

Here are some screenshots of the web client:

Frontpage

Searching files with tags

Files sorting options

File detail page

Searching tags

Configuring settings

Changing user data

Using the dark theme

FAQ

I am encountering a unique constraint error when syncing. Why does this happen?

This issue can occur when hydrus client or server is running maintenance tasks while hyve runs a sync. In that case, it can usually easily be fixed by waiting a few minutes and trying again. If the error persists, it might indicate issues with your hydrus databases. If you can rule out that this is the case, please open an issue.

Does hyve make changes to my hydrus client/server databases?

No, hyve never makes any changes to the hydrus client/server databases, it only reads from them.

Why does hyve create a copy of the hydrus client/server databases instead of simply connecting to it or using the client API?

Some features like searching by multiple namespaces or constraints would simply not be possible (with decent performance) without using a copy of the databases that is optimized for hyve's purposes.

The database structure of hydrus is not built in a way that allows to deliver paginated results that are also sorted by various criteria, which makes it not suitable for an HTTP API that is meant to be accessed outside of a LAN. hydrus itself does most of the sorting in code after fetching the results, which is really not an option when using pagination.

The client API has not been considered since it is still very limited and does only feature a fraction of what hyve's API can do. As of January 2021, the client API has seen good progress and is certainly a viable option for many use cases. But it is not available for hydrus server, which disqualifies it regardless.

Does hyve also make a copy of my media?

No, only a copy of the hydrus databases is made. hyve directly accesses the hydrus media files.

Why can I not upload files to hyve and sync them back to hydrus client/server?

hyve is only intended as a way to access your media files outside the constraints of hydrus client/server. It is not meant to be yet another booru-like software that allows you to upload and manage media. If you are interested in something like that, I recommend you to check out popular booru softwares like danbooru or szurubooru instead.

hydrus client/server supports x. Will you add this feature to hyve as well?

Maybe. If you want to see a specific feature that you think would be a good fit for hyve, please open an issue. In general, I prefer to add features that are not specific to either hydrus client or hydrus server.

Maintainer

imtbl

Contribute

You are welcome to help out!

Open an issue or submit a pull request.

License

AGPLv3 © imtbl